JSON Repair
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Quick Start Guide
Fix broken JSON in seconds
Quick Start Guide
- 1
Paste Broken JSON
Paste your malformed JSON — missing quotes, trailing commas, comments, single quotes, unquoted keys, or missing brackets.
- 2
Click Repair
The tool analyzes your JSON and applies multiple fix strategies: quoting keys, removing comments, balancing brackets, fixing commas.
- 3
Review Fixes
See exactly what was fixed — each repair is listed so you understand what was wrong. Green means fully valid, yellow means partial repair.
- 4
Copy or Export
Copy the repaired JSON to clipboard or export as .json file. Ready to use in your application.
What It Fixes
Common JSON issues handled automatically
Unquoted Keys
Adds double quotes to bare JavaScript-style keys like {name: 'value'}.
Single Quotes
Converts single-quoted strings to JSON-standard double quotes.
Trailing Commas
Removes trailing commas after the last element in arrays and objects.
Missing Commas
Adds commas between elements that are separated only by whitespace.
Comments
Strips both // single-line and /* multi-line */ comments from JSON.
Missing Brackets
Detects and adds missing closing braces } and brackets ].
Frequently Asked Questions
Everything you need to know